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Chapters 15,16 and 17: Quiz Open book to page 203
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Which state change represents emission of a photon with the shortest wavelength? ABC D E Atomic Energy Levels Ground State
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The “bullets” used by Rutherford to probe gold atoms were: A.Electrons B.Alpha Particles C.Helium Atoms D.Rubber Bullets E.Helium Nuclei F.Neutrons
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Concerning electrons through a double slit, when you... Don’t measure which hole the electron goes through _____-like behavior. Do measure which hole the electron goes through _____-like behavior.
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The Uncertainty Principle and waves Unclear position but clear _________. Clear position but unclear _________.
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What new property do we consider when allowing two electrons to occupy the same orbital?
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The ______ ___________ Principle No more than two electrons can occupy the same orbital (in a given shell). If two electrons are in the same orbital, they must have different spins.
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Understanding Atoms How do electrons fill the orbitals as we move along the periodic table? a.Electrons fill the highest energy levels first b.Electrons fill only p orbitals until further notice c.Electrons fill the lowest energy levels first d.Electrons do not assume any standing wave forms! 1 2 3
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Vocabulary 1._______: atoms all having the same number of protons in the nucleus 2.__________: number of protons in the nucleus 3.__________: total number of nucleons (protons and neutrons) in a nucleus 4.____________: the relative mass of the atoms of an element compared to carbon atoms which have arbitrarily been given a mass of twelve
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Outermost electrons Chemical behavior is determined by the outermost electrons, called _______ electrons Elements in the same column (group) of the periodic table have similar _______ electron structures, and are chemically similar.
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Which 2 groups are the most reactive.
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Which group is the least reactive?
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Ionization energy-What is it? a.The energy required to bring an electron to the highest energy level b.Energy required to free a valence shell electron from bound atomic state c.Energy required for a reaction in free space d.Energy of covalent ground state e.Energy required to spin an inner shell electron from bound atomic state
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Which of the following do you expect to have the largest ionization energy? a)Neon b)Sodium c)Oxygen d)Helium e)Nitrogen
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